add_procedure 추가함

main.py

@@ -13,4 +13,9 @@ def print_hi(name):
 if __name__ == '__main__':
     print_hi('PyCharm')
 
+# 1번 개발자 수정
+def add_procedure (*a : int) -> int:
+    return sum(a)
+
+
 # https://www.jetbrains.com/help/pycharm/에서 PyCharm 도움말 참조